Display screen or a portion thereof with graphical user interface



The sole FIGURE is a front view of a display screen or portion thereof with graphical user interface showing our new design.

The dash-dot-dash-dot broken line immediately adjacent the solid-line portions of the design represents an unclaimed boundary of the design.

The short dash-dash broken lines represent portions of the graphical user interface and form no part of the claimed design. 

CLAIM The ornamental design for a display screen or a portion thereof with graphical user interface, as shown and described. 